The solution to the problem of Color scale overlap of Multi-layer objects in big data's data Map
In this issue, the editor will bring you a solution to the problem of overlapping color scales of multi-layer objects in big data's data map. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.
Today's article is a further deepening on the basis of yesterday's push, focusing on how to overlay bubble layers on a map filled with discrete colors.
To make the case consistent, yesterday's dataset is still used.
Load package:
Library ("ggplot2")
Library ("plyr")
Library ("maptools")
Library ("sp")
Library ("ggthemes")
Import the map of China's provincial boundaries:
China_map
